Again, the BiggerPockets store has some books on this topic, or you can learn about it by watching podcasts, reading blogs, and interacting on the forum.

Look for the topics that catch your eye in the forums, when you think of a few you're interested in, hit the "follow" button to keep up to date on what is going on in those specific forums. - quick tutorial here  2.

You're definitely in the right place for that support.If and when you’re considering a cost segregation study, as Jonathan mentioned, don’t hesitate to reach out; I’d be more than happy to share insights on that topic.

You may want to spend an hour or so reading this thread. https://www.biggerpockets.com/forums/960/topics/1196567-norada-capital-management-suspending-payments

This BP topic, Total Available Market - 2, 3, and 4 units, describes the Raleigh market for property that meets Fannie Mae 1-4 Family underwriting. 

Take a look at BP's blog where new articles are published every day: https://www.biggerpockets.com/blog4.

@Miguel Alvarado Here's an article that you may find helpful. 

https://www.biggerpockets.com/forums/311/topics/1214203-part...

Anyway this is an example of a search for HELOC  I am sure you can find many many morehttps://www.biggerpockets.com/forums/853/topics/1088137-helo...

This is an on going topic, as a private landlord I would avoid if possible, If the owners of a building apply for funding for rehab the loans may be tied to lower interest rates if they rent to section 8 renters for a given number of years.